9 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... Pronation - C7, C8 Wrist ... , T1 (median) Reflexes ... #Myotomes #diagnosis ... sensory #motor #arm
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
Inverted Supinator Test ... extension and wrist ... Video by Mujtaba ... #clinical #video ... #orthopedics #msk
Extensor Carpi Ulnaris (ECU) Synergy Test for ECU Tendinitis

With the patient's hand supinated, the examiner grasps
(ECU) Synergy Test ... The patient radially ... aspect of the wrist ... Tendinitis #clinical #video ... #physicalexam #msk
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... decortication), abnormal extensor ... • If ok with ICU ... Decorticate posturing: Arms ... Casey Albin MD @
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... region (S2-S4 dermatomes ... • Provocative Tests ... absent anal wink test ... #causes #neurology
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
The Extensor ... What causes ECU ... diagnosed? ... #physicalexam #video ... #msk
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
lower legs over medial ... Lichen planus - Wrists ... surfaces of arms ... extremities, flexor wrists ... #differential #diagnosis
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
the legs and the extensors ... of the arms (pyramidal ... Spasticity - Reflexes ... bouts of HTN Diagnostic ... negative, MOG-IgG test
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Incidence: 1 to 2 cases ... depressed deep tendon reflexes ... all extremity, facial ... and sensitive tests ... intensive care unit (ICU